公开(公告)号：US06777083B1

公开(公告)日：2004-08-17

申请号：US09622057

申请日：2000-10-12

申请人： Hirotoshi Mizota ,  Tomonari Murakami ,  Yoshihiro Uozu ,  Shigeaki Sasaki ,  Koji Ishizaka ,  Takeshi Kitayama ,  Tatsuyuki Takayanagi ,  Jun-ichiro Atarashi ,  Yasukazu Yoshida ,  Masaharu Yanai ,  Motomu Oh-Kita

发明人： Hirotoshi Mizota ,  Tomonari Murakami ,  Yoshihiro Uozu ,  Shigeaki Sasaki ,  Koji Ishizaka ,  Takeshi Kitayama ,  Tatsuyuki Takayanagi ,  Jun-ichiro Atarashi ,  Yasukazu Yoshida ,  Masaharu Yanai ,  Motomu Oh-Kita

IPC分类号： D02G300

CPC分类号： C08F20/14 ,  C08F2/02 ,  C08F4/04 ,  G02B6/02033 ,  Y10T428/2929 ,  Y10T428/2938 ,  Y10T428/2967

摘要： This invention provides a process for manufacturing a methyl methacrylate polymer comprising the steps of feeding a monomer containing at least 80 wt % of methyl methacrylate and a radical polymerization initiator represented formula (III) to a reactor; polymerizing the material at a polymerization temperature of 110 to 160° C. under the conditions satisfying particular equations between an initiator concentration and a polymerization temperature; feeding a reaction mixture taken out from the reactor to a devolatilization step (feeding step); and separating and removing volatiles from the reaction mixture (devolatilization step). A methyl methacrylate polymer having adequately good optical properties and a plastic optical fiber having improved transmission performance can be prepared according to this invention.

公开(公告)号：US20060071363A1

公开(公告)日：2006-04-06

申请号：US10541155

申请日：2003-12-22

申请人： Hajime Okutsu ,  Hirotoshi Mizota

发明人： Hajime Okutsu ,  Hirotoshi Mizota

IPC分类号： B29D7/00

CPC分类号： B29C39/16 ,  B29C43/22

摘要： A belt type continuous plate manufacturing apparatus comprising two facing endless belts 1, 1′ and gaskets 7 sandwiched by belt surfaces at their both side edge portions, wherein a polymerizable raw material is fed into a space surrounded by the facing belt surfaces and the gaskets 7 from its one end, the polymerizable raw material is solidified together with running of the belts in a heating zone, and the plate polymer is taken out from the other end, characterized in that three or more upper and lower roll pairs satisfying the following formulae (1) and (2) are placed so that respective axes thereof orthogonally cross the belt running direction, between a raw material feeding position and a heating initiation position; and a method of producing a plate polymer by using it: D/Z≧0.04 (1), 0.30≦D/X≦0.99 (2) [D=outermost diameter of roll body portion (mm), Z=width of roll body portion (mm), X=distance between axis centers of adjacent upper and lower roll pairs (mm)].

摘要翻译： 一种带式连续板制造装置，包括两个面对的环形带1,1'和在其两侧边缘部分被带表面夹持的垫圈7，其中可聚合原料被供给到由相对的带表面和垫圈7围绕的空间中 从一端可聚合的原料与加速带中的带的运行一起固化，并且从另一端取出板状聚合物，其特征在于，满足下式的三个或更多个上下辊对（ 1）和（2）被放置成使得其各轴在原料供给位置和加热起始位置之间正交地穿过皮带行进方向; 和使用它的板状聚合物的制造方法：D / Z> = 0.04（1），0.30 <= D / X <= 0.99（2）[D =辊体部的最外径（mm） （mm），X =相邻的上下辊对的轴心之间的距离（mm）]。

公开(公告)号：US20060157468A1

公开(公告)日：2006-07-20

申请号：US10547554

申请日：2004-02-27

申请人： Hitoshi Tomobe ,  Hirotoshi Mizota ,  Hajime Okutsu ,  Tomonari Murakami ,  Daisuke Morimoto

发明人： Hitoshi Tomobe ,  Hirotoshi Mizota ,  Hajime Okutsu ,  Tomonari Murakami ,  Daisuke Morimoto

IPC分类号： F27B9/28 ,  F27B9/36

CPC分类号： B29C71/02 ,  B29C35/045 ,  B29C35/06

摘要： To be provided are a heat treatment apparatus having blocking members which block gaps between the side walls of nozzle boxes provided with slit nozzles, whose size in the lengthwise direction is greater than the width of a sheet, and the side walls of a heat treatment chamber, and gas having a uniform velocity fluctuating no more than ±25% in the lengthwise direction of the slit nozzles is blown out of the slit nozzles to subject the sheet to heat treatment, resulting in little unevenness of temperature in the widthwise direction and reduced energy loss, and a heat treatment method using this heat treatment apparatus.

摘要翻译： 提供一种热处理装置，其具有阻挡构件，其阻挡设置有狭缝喷嘴的喷嘴盒的侧壁之间的间隙，狭缝喷嘴的长度方向的尺寸大于片材的宽度，并且热处理室的侧壁 ，并且在狭缝喷嘴的长度方向上具有不大于±25％的均匀速度的气体从狭缝喷嘴吹出，以对片材进行热处理，导致宽度方向上的温度差不大，能量减少 损失和使用该热处理装置的热处理方法。

公开(公告)号：US20060078640A1

公开(公告)日：2006-04-13

申请号：US10537919

申请日：2003-12-08

申请人： Hajime Okutsu ,  Hirotoshi Mizota ,  Tomonari Murakami ,  Hitoshi Tomobe ,  Daisuke Morimoto

发明人： Hajime Okutsu ,  Hirotoshi Mizota ,  Tomonari Murakami ,  Hitoshi Tomobe ,  Daisuke Morimoto

IPC分类号： B30B5/06

CPC分类号： B29C43/22 ,  B29C39/16

摘要： Disclosed are a belt type continuous plate manufacturing apparatus including two endless belts 11, 11′ with their facing belt surfaces running toward the same direction at the same speed, and a gasket 7 sandwiched by belt surfaces at their both side edge portions, in which a polymerizable raw material is fed into a space surrounded by the facing belt surfaces and the gasket from its one end, and solidified together with running of the belts in a heating zone, and a plate polymer is taken out from the other end, wherein a plurality of upper and lower roll pairs 4, 4′ each composed of an upper roll 4 and a lower roll 4′ and having axes orthogonally grossing the belt running direction are placed along the belt running direction as a mechanism of holding the belt surfaces of the endless belts 1, 1′ in the heating zone, and the outer diameter D of the roll body portion of the upper and lower roll pair is in the range of 100 mm to 500 mm; and a method of producing a plate polymer using this apparatus.

摘要翻译： 公开了一种带式连续板制造装置，其包括两个环形带11,11'，其相对的带表面以相同的速度朝相同的方向延伸，并且在其两个侧边缘部分处夹着带表面的垫圈7， 可聚合原料从其一端进给到由相对的带表面和垫圈包围的空间中，并随着带的运行而在加热区中凝固，并且从另一端取出板状聚合物，其中多个 由上辊4和下辊4'构成的上下辊对4,4'和沿着带运行方向正交地累积的轴，作为保持环形带的表面的机构 加热区域中的带1,1'，上辊对和下辊对的辊体部分的外径D在100mm至500mm的范围内; 以及使用该装置制造板状聚合物的方法。

公开(公告)号：US07754831B2

公开(公告)日：2010-07-13

申请号：US10540265

申请日：2002-12-25

申请人： Yoshihide Nagafuchi ,  Hirotoshi Mizota ,  Yasuo Hiromoto ,  Hisaaki Yoshimura ,  Yoichi Nagai ,  Hiroyuki Kumaoka ,  Takeshi Kato ,  Tatsuki Yajima

发明人： Yoshihide Nagafuchi ,  Hirotoshi Mizota ,  Yasuo Hiromoto ,  Hisaaki Yoshimura ,  Yoichi Nagai ,  Hiroyuki Kumaoka ,  Takeshi Kato ,  Tatsuki Yajima

IPC分类号： C08F2/04

CPC分类号： C08F2/00 ,  C08F2/001 ,  C08F212/08 ,  C08F220/14 ,  C08F220/18 ,  C08F220/32 ,  C08F2220/1825 ,  C08F2220/1858 ,  C08F2220/281 ,  C08F2220/325 ,  C08L33/04 ,  C08L33/06 ,  C08L33/062 ,  C09D133/06 ,  C09D133/068 ,  C08L2666/04

摘要： A vinyl-based polymer having a mass average molecular weight of 1500 to 10000, which is prepared by a first step of continuously feeding a material mixture containing a vinyl-based monomer to a continuous tank type first reactor, and polymerizing the vinyl-based monomer under the conditions of a polymerization temperature of 150° to 300° C. and a retention time of 1 to 60 minutes at a rate of polymerization of 50 to 99% to obtain a reaction intermediate mixture; and a second step of feeding a polymerization initiator in the amount of 0.01 to 5 parts by mass based on 100 parts by mass of the vinyl-based monomer and the reaction intermediate mixture to a second reactor, and further polymerizing the vinyl-based monomer under the conditions of a polymerization temperature of 100° to 200° C. and a retention time of 10 to 240 minutes at a rate of polymerization of 80% or more.

摘要翻译： 一种质量分数为1500〜10000的乙烯基类聚合物，其通过将含有乙烯基类单体的原料混合物连续供给到连续罐型第一反应器中的第一工序制备，并使乙烯基类单体 在聚合温度为150〜300℃，聚合速度为50〜99％的保留时间为1〜60分钟的条件下，得到反应中间体混合物; 相对于乙烯基类单体和反应中间体混合物100质量份，向第二反应器中添加0.01〜5质量份的聚合引发剂的第二工序，进一步聚合乙烯基系单体 聚合温度为100〜200℃的条件，聚合速度为80％以上的保持时间为10〜240分钟。

公开(公告)号：US20090140454A1

公开(公告)日：2009-06-04

申请号：US11996595

申请日：2005-07-25

申请人： Tomonari Murakami ,  Hirotoshi Mizota ,  Hajime Okutsu

发明人： Tomonari Murakami ,  Hirotoshi Mizota ,  Hajime Okutsu

IPC分类号： B29D7/00 ,  B29C39/16

CPC分类号： B29C39/16 ,  B29K2033/12

摘要： Disclosed is an apparatus for continuous plate formation using belts, in which a polymerizable raw material is fed to one end of a space surrounded by opposed surfaces of two endless belts 1 and 1′ facing each other and by gaskets 7 disposed at side edges of these belt surfaces so as to be sandwiched between the surfaces, the polymerizable raw material is polymerized in a section where the belts are heated or cooled with warm water, and a plate-form polymer is taken out of the other end of the space, which contains three or more recovery vessels 13 for recovering the warm water used to heat or cool the belts, and temperature sensing elements (thermometers 14) for measuring the temperature of the warm water recovered in every recovery vessel 13. Also disclosed is a method of continuous plate formation using belts, which comprises producing a plate-form polymer from a polymerizable raw material containing methyl methacrylate while measuring temperature of warm water recovered in every recovery vessel 13 with thermometers 14 by using the apparatus for continuous plate formation using belts.

摘要翻译： 公开了一种使用带的连续板形成装置，其中将可聚合原料供给到由相互面对的两个环形带1,1'的相对表面围绕的空间的一端以及通过设置在这些的侧边缘处的垫圈7 带状表面被夹在表面之间，可聚合原料在带被加热或用温水冷却的部分中聚合，并且将板状聚合物从空间的另一端取出，其中包含 用于回收用于加热或冷却带的温水的三个或更多个回收容器13和用于测量在每个回收容器13中回收的温水的温度的温度感测元件（温度计14）。还公开了一种连续板 使用带的形成，其包括从含有甲基丙烯酸甲酯的可聚合原料生产板状聚合物，同时测量在每个re中回收的温水的温度 通过使用用于使用带连续板形成的装置，具有温度计14的托盘13。

公开(公告)号：US07268323B2

公开(公告)日：2007-09-11

申请号：US10547554

申请日：2004-02-27

申请人： Hitoshi Tomobe ,  Hirotoshi Mizota ,  Hajime Okutsu ,  Tomonari Murakami ,  Daisuke Morimoto

发明人： Hitoshi Tomobe ,  Hirotoshi Mizota ,  Hajime Okutsu ,  Tomonari Murakami ,  Daisuke Morimoto

IPC分类号： H05B1/02

CPC分类号： B29C71/02 ,  B29C35/045 ,  B29C35/06

摘要： To be provided are a heat treatment apparatus having blocking members which block gaps between the side walls of nozzle boxes provided with slit nozzles, whose size in the lengthwise direction is greater than the width of a sheet, and the side walls of a heat treatment chamber, and gas having a uniform velocity fluctuating no more than ±25% in the lengthwise direction of the slit nozzles is blown out of the slit nozzles to subject the sheet to heat treatment, resulting in little unevenness of temperature in the widthwise direction and reduced energy loss, and a heat treatment method using this heat treatment apparatus.

摘要翻译： 提供一种热处理装置，其具有阻挡构件，其阻挡设置有狭缝喷嘴的喷嘴盒的侧壁之间的间隙，狭缝喷嘴的长度方向的尺寸大于片材的宽度，并且热处理室的侧壁 ，并且在狭缝喷嘴的长度方向上具有波动不大于±25％的均匀速度的气体从狭缝喷嘴吹出，以对片材进行热处理，导致宽度方向上的温度不均匀和能量减少 损失和使用该热处理装置的热处理方法。

公开(公告)号：US07098281B2

公开(公告)日：2006-08-29

申请号：US10824524

申请日：2004-04-15

申请人： Hirotoshi Mizota ,  Tomonari Murakami ,  Yoshihiro Uozu ,  Shigeaki Sasaki ,  Koji Ishizaka ,  Takeshi Kitayama ,  Tatsuyuki Takayanagi ,  Jun-ichiro Atarashi ,  Yasukazu Yoshida ,  Masaharu Yanai ,  Motomu Oh-Kita

发明人： Hirotoshi Mizota ,  Tomonari Murakami ,  Yoshihiro Uozu ,  Shigeaki Sasaki ,  Koji Ishizaka ,  Takeshi Kitayama ,  Tatsuyuki Takayanagi ,  Jun-ichiro Atarashi ,  Yasukazu Yoshida ,  Masaharu Yanai ,  Motomu Oh-Kita

IPC分类号： C08F4/04

CPC分类号： C08F20/14 ,  C08F2/02 ,  C08F4/04 ,  G02B6/02033 ,  Y10T428/2929 ,  Y10T428/2938 ,  Y10T428/2967

摘要： This invention provides a process for manufacturing a methyl methacrylate polymer comprising the steps of feeding a monomer containing at least 80 wt % of methyl methacrylate and a radical polymerization initiator represented formula (III) to a reactor; polymerizing the material at a polymerization temperature of 110 to 160° C. under the conditions satisfying particular equations between an initiator concentration and a polymerization temperature; feeding a reaction mixture taken out from the reactor to a devolatilization step (feeding step); and separating and removing volatiles from the reaction mixture (devolatilization step). A methyl methacrylate polymer having adequately good optical properties and a plastic optical fiber having improved transmission performance can be prepared according to this invention

摘要翻译： 本发明提供一种制备甲基丙烯酸甲酯聚合物的方法，包括以下步骤：将含有至少80重量％的甲基丙烯酸甲酯和式（III）的自由基聚合引发剂的单体进料到反应器中; 在聚合温度为110〜160℃，在引发剂浓度和聚合温度之间满足特定方程的条件下聚合材料; 将从反应器中取出的反应混合物进料到脱挥发分步骤（进料步骤）; 并从反应混合物中分离和除去挥发物（脱挥发分步骤）。 可以根据本发明制备具有良好光学性能的甲基丙烯酸甲酯聚合物和具有改进的透射性能的塑料光纤

公开(公告)号：US20060063897A1

公开(公告)日：2006-03-23

申请号：US10540265

申请日：2002-12-25

申请人： Yoshihide Nagafuchi ,  Hirotoshi Mizota ,  Yasuo Hiromoto ,  Hisaaki Yoshimura ,  Yoichi Nagai ,  Hiroyuki Kumaoka ,  Takeshi Kato ,  Tatsuki Yajima

发明人： Yoshihide Nagafuchi ,  Hirotoshi Mizota ,  Yasuo Hiromoto ,  Hisaaki Yoshimura ,  Yoichi Nagai ,  Hiroyuki Kumaoka ,  Takeshi Kato ,  Tatsuki Yajima

IPC分类号： C08F2/00

CPC分类号： C08F2/00 ,  C08F2/001 ,  C08F212/08 ,  C08F220/14 ,  C08F220/18 ,  C08F220/32 ,  C08F2220/1825 ,  C08F2220/1858 ,  C08F2220/281 ,  C08F2220/325 ,  C08L33/04 ,  C08L33/06 ,  C08L33/062 ,  C09D133/06 ,  C09D133/068 ,  C08L2666/04

摘要： A vinyl-based polymer having a mass average molecular weight of 1500 to 10000, which is prepared by a first step of continuously feeding a material mixture containing a vinyl-based monomer to a continuous tank type first reactor, and polymerizing the vinyl-based monomer under the conditions of a polymerization temperature of 150° to 300° C. and a retention time of 1 to 60 minutes at a rate of polymerization of 50 to 99% to obtain a reaction intermediate mixture; and a second step of feeding a polymerization initiator in the amount of 0.01 to 5 parts by mass based on 100 parts by mass of the vinyl-based monomer and the reaction intermediate mixture to a second reactor, and further polymerizing the vinyl-based monomer under the conditions of a polymerization temperature of 100° to 200° C. and a retention time of 10 to 240 minutes at a rate of polymerization of 80% or more.

摘要翻译： 一种质量分数为1500〜10000的乙烯基类聚合物，其通过将含有乙烯基类单体的原料混合物连续供给到连续罐型第一反应器中的第一工序制备，并使乙烯基类单体 在聚合温度为150〜300℃，聚合速度为50〜99％的保留时间为1〜60分钟的条件下，得到反应中间体混合物; 相对于乙烯基类单体和反应中间体混合物100质量份，向第二反应器中添加0.01〜5质量份的聚合引发剂的第二工序，进一步聚合乙烯基系单体 聚合温度为100〜200℃的条件，聚合速度为80％以上的保持时间为10〜240分钟。

公开(公告)号：US06632907B1

公开(公告)日：2003-10-14

申请号：US09674265

申请日：2000-10-30

申请人： Hirotoshi Mizota ,  Shigeaki Sasaki ,  Tomonari Murakami ,  Kouzi Ishizaka

发明人： Hirotoshi Mizota ,  Shigeaki Sasaki ,  Tomonari Murakami ,  Kouzi Ishizaka

IPC分类号： C08F11802

CPC分类号： C08F20/12 ,  B01J19/0053 ,  B01J19/2415 ,  B01J2219/00779 ,  C08F2/02 ,  C08F20/14

摘要： The present invention relates to a process for the production of methacrylic polymers which comprises the steps of, in one perfect mixing type reactor, effecting continuous bulk polymerization at a polymerization temperature of 110 to 160° C. by using a chain-transfer agent having a specific concentration and a radical initiator having a specific half-life, so that the polymer content may be in the range of 35 to 65% by weight; withdrawing the reaction mixture continuously and feeding the reaction mixture to a plug flow type reactor while pressurizing it so that the pressure of the reaction mixture is not less than a certain level throughout the plug flow type reactor; in the plug flow type reactor, presetting the inner wall temperature of the reactor at a specific temperature and passing the reaction mixture through the reactor while polymerizing it by using a radical initiator having a specific half-life, so that the polymer content at the outlet may be in the range of 50 to 85% by weight; and subsequently separating and removing volatile matter continuously from the reaction mixture. According to the present invention, methacrylic polymers having excellent moldability can be produced with good productivity.

摘要翻译： 本发明涉及一种生产甲基丙烯酸聚合物的方法，该方法包括以下步骤：在一个完美的混合型反应器中，通过使用链转移剂在110至160℃的聚合温度下进行连续本体聚合 比浓度和具有特定半衰期的自由基引发剂，使得聚合物含量可以在35至65重量％的范围内; 连续取出反应混合物，并将反应混合物送入活塞流式反应器，同时加压反应混合物，使得反应混合物的压力在整个塞流式反应器中不低于一定水平; 在活塞流式反应器中，将反应器的内壁温度预定在特定温度，并使反应混合物通过反应器，同时通过使用具有特定半衰期的自由基引发剂聚合反应混合物，使得出口处的聚合物含量 可以在50至85重量％的范围内; 随后从反应混合物中连续分离和除去挥发性物质。 根据本发明，可以以良好的生产率制造具有优异成型性的甲基丙烯酸类聚合物